163Exam S10 - SEAT NO._ Professor Theresa Windus Spring...

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SEAT NO.__________ Professor Theresa Windus Spring 2010 THIS EXAM CONSISTS OF 19 QUESTIONS ON 5 PAGES CHEM 163 HOUR EXAM I February 3, 2010 NAME______________________ RECIT. INSTR._______________ RECIT. SECT.________________ GRADING Teaching Assistants and Recitation Sections PAGES Page 2 Page 3 Page 4 Page 5 Page 6 TOTAL POINTS 17 pts 32 pts 12 pts 30 pts 9 pts 100 pts SCORE ________ ________ ________ ________ ________ ________ Name Chamila Liyanage Jenny Lee Philip Carlson T-Purnima Ruberu Caleb Carlin John Baluyut Sections 1, 10 2, 5 3 9, 4 6 7, 8 Time 8:00, 10:00 9:00, 12:10 10:00 9:00, 11:00 1:10 2:10, 3:10 Rules of the Exam: 1. Show all of your work on the exam pages. Numerical answers should be given in the correct number of significant figures and with units. Answers missing units or having incorrect units will be graded as incorrect. 2. The last page contains a periodic table and other useful facts for your convenience. Use the atomic masses from the attached periodic table and NOT from the ones on the wall. 3. Turn off all cell phones. 4. This is a closed-book, closed-notes exam. You must use a non-programmable scientific calculator. THE ANSWER KEY TO THIS EXAM WILL BE POSTED ON THE CHEM 163 WEBCT SITE.
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2 1. (2 pts) Circle the correct answer. Salt in water is an example of a Element Pure compound Homogeneous mixture Heterogeneous mixture 2. (3 pts) Classify each of the following as a physical or a chemical transformation. combustion of ethanol chemical sublimation of CO 2 physical alkali metal with water chemical 3. (2 pts) Name two extensive properties of a substance. Examples: volume, length, mass (depends on the amount of the substance)
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This note was uploaded on 02/06/2012 for the course CHEM 163 taught by Professor Christinabonaccorsi during the Spring '08 term at Iowa State.

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163Exam S10 - SEAT NO._ Professor Theresa Windus Spring...

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